鳃孔 meaning in English
branchial aperture
branchial appendage
branchial opening
gill cleft
opercular aperture
Examples
- It shows that spiraclelike frame net ' s resistance is twenty to twenty - five percent higher than that of traditional frame net , and the water speed inside tends to be increasing , about more than twenty percent higher than of traditional frame net in the aft part
其中，鳃孔式架子网：阻力比传统架子网大22 % ~ 25 ，网内流速呈上升趋势，到网身后部高出传统架子网20 %以上，网具稳定，没有摇摆和抖动现象。 - Diagnostic characters for the recognition of species include the presence or absence of pectoral fin , the position of dorsal fin origin , gill opening , anus , nostril opening and eye , the cirri present or not , the dentition type , the body coloration , and the head pores or lateral line etc
一般依据胸鳍的有无或发达程度，背鳍起点、鳃孔、肛门、鼻孔和眼等的相对位置，颌的发达程度和颌上是否具须，齿的形状和排列方式，身体的斑纹，以及头部和体侧的侧线孔数目等进行鉴别。